Impact On Current Biometric Systems
The Henry Classification System has been a highly influential force in the formation of current AFIS technology (Automated Fingerprint Identification System). When AFIS technology was first introduced, it was primarily envisioned to be used as a tool to expedite the manual searching of fingerprint records, eventually reducing matching time requirements from months to hours. At that time, most forensic hardcopy fingerprint files were sorted according to the Henry Classification System and the first AFIS solutions attempted to emulate the Henry process.
Up until the mid 1990s, it was not unusual for a state or city to continue to maintain its physical file of Henry-sorted fingerprint cards just in case a disaster occurred in the AFIS. As processing speeds, network throughput capacities, and system reliability increased, it was no longer necessary for automated fingerprint matching to mirror what had been the manual processes. AFIS began to classify fingerprints according to the distance between the core and delta, minutiae locations, and pattern type; the later being based on the Henry Classification System. Presently, there are some forensic AFIS solutions (e.g. state and local) that still employ a Henry Classification System based manual fingerprint filing. However, other than for legacy systems, the Henry Classification System is not essential for automated systems. (Carlton)
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